EXHAUST GAS RECIRCULATION METHODS AND APPARATUS FOR REDUCING NOX EMISSIONS FROM INTERNAL COMBUSTION ENGINES - Patent 1549841

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EP 1 549 841 A1

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(43)	Date of publication:
	06.07.2005 Bulletin 2005/27

(21)	Application number: 03753157.1

(22)	Date of filing: 02.10.2003

(51)	International Patent Classification (IPC)⁷: F02B 43/00, F02B 47/08, F02B 7/06, F02B 9/06, F02D 19/10, F02D 21/08

(86)	International application number:
	PCT/CA2003/001466

(87)	International publication number:
	WO 2004/031557 (15.04.2004 Gazette 2004/16)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
	Designated Extension States:
	AL LT LV MK

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Priority:

02.10.2002 CA 2406267

(71)	Applicants:
	Hill, Philip G. Vancouver, Britisch Columbia V6T 1T2 (CA) Dunn, Mark E. Vancouver,British Columbia V6K 4V7 (CA) Munshi, Sandeep Vancouver,British Columbia V6P 6H2 (CA) Westport Research Inc. Vancouver,British Columbia V6P 6G2 (CA)

(72)	Inventors:
	HILL, Philip, G. Vancouver, British Columbia V6T 1T2 (CA) DUNN, Mark, E. Vancouver, British Columbia V6K 4V7 (CA) MUNSHI, Sandeep Vancouver, British Columbia V6P 6H2 (CA)

(74)	Representative: Gesthuysen, von Rohr & Eggert
	PatentanwälteHuyssenallee 100 45128 Essen 45128 Essen (DE)

(54)	EXHAUST GAS RECIRCULATION METHODS AND APPARATUS FOR REDUCING NOX EMISSIONS FROM INTERNAL COMBUSTION ENGINES